育才学习网1.介绍蜂鸟的英语短文少一些
Few birds have been as little studied and as misunderstood as Hummingbirds. They are the smallest of all birds with a length ranging from 2" to 8". Males of most species are identified by their iridescent feathers. Females and immatures of both sexes are normally plain and nondescript with the immatures of both sexes resembling the adult females.
Hummingbirds are strictly a bird of the Western Hemisphere. They are found as far north as Southeastern Alaska and the Maritimes of Canada and as far south as Southern Chile. The majority of the approximately 320 species are found in the tropics.
2.蜂鸟的英文对话资料
你是要关于蜂鸟的英文对话？还是要关于蜂鸟的英文资料？Hummingbirds are New World birds that constitute the family Trochilidae. They are among the smallest of birds, most species measuring in the 7.5–13 cm (3–5 in) range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm bee hummingbird, weighing less than a penny (about 2.5g).They are known as hummingbirds because of the humming sound created by their beating wings which flap at high frequencies audible to humans. They hover in mid-air at rapid wing flapping rates, typically around 50 times per second, but possibly as high as 200 times per second, allowing them also to fly at speeds exceeding 15 m/s (54 km/h; 34 mph),backwards or upside down.Hummingbirds have the highest metabolism of any homeothermic animal.To conserve energy when food is scarce, they have the ability to go into a hibernation-like state (torpor) where their metabolic rate is slowed to 1/15th of its normal rate.In traditional taxonomy, hummingbirds are placed in the order Apodiformes, which also contains the swifts. However, some taxonomists have separated them into their own order, Trochiliformes. Hummingbirds' wing bones are hollow and fragile, making fossilization difficult and leaving their evolutionary history poorly documented. Though scientists theorize that hummingbirds originated in South America, where there is the greatest species diversity, possible ancestors of extant hummingbirds may have lived in parts of Europe to what is southern Russia today.There are between 325 and 340 species of hummingbird, depending on taxonomic viewpoint, divided into two subfamilies, the hermits (subfamily Phaethornithinae, 34 species in six genera), and the typical hummingbirds (subfamily Trochilinae, all the others). However, recent phylogenetic analyses suggest that this division is slightly inaccurate, and that there are nine major clades of hummingbirds: the topazes and jacobins, the hermits, the mangoes, the coquettes, the brilliants, the giant hummingbird (Patagona gigas), the mountain-gems, the bees, and the emeralds. The topazes and jacobins combined have the oldest split with the rest of the hummingbirds. The hummingbird family has the second greatest number of species of any bird family on Earth (after the tyrant flycatchers).Fossil hummingbirds are known from the Pleistocene of Brazil and the Bahamas; however, neither has yet been scientifically described, and there are fossils and subfossils of a few extant species known. Until recently, older fossils had not been securely identifiable as those of hummingbirds.In 2004, Dr Gerald Mayr of the Senckenberg Museum in Frankfurt am Main identified two 30-million-year-old hummingbird fossils and published his results in the journal Science. The fossils of this primitive hummingbird species, named Eurotrochilus inexpectatus ("unexpected European hummingbird"), had been sitting in a museum drawer in Stuttgart; they had been unearthed in a clay pit at Wiesloch–Frauenweiler, south of Heidelberg, Germany, and, because it was assumed that hummingbirds never occurred outside the Americas, were not recognized to be hummingbirds until Mayr took a closer look at them.Fossils of birds not clearly assignable to either hummingbirds or a related, extinct family, the Jungornithidae, have been found at the Messel pit and in the Caucasus, dating from 40–35 mya; this indicates that the split between these two lineages indeed occurred at that date. The areas where these early fossils have been found had a climate quite similar to that of the northern Caribbean or southernmost China during that time. The biggest remaining mystery at the present time is what happened to hummingbirds in the roughly 25 million years between the primitive Eurotrochilus and the modern fossils. The astounding morphological adaptations, the decrease in size, and the dispersal to the Americas and extinction in Eurasia all occurred during this timespan. DNA-DNA hybridization results suggest that the main radiation of South American hummingbirds took place at least partly in the Miocene, some 12 to 13 million years ago, during the uplifting of the northern Andes.In 2013, a 50-million-year-old fossil bird unearthed in Wyoming was found to be a predecessor to both hummingbirds and swifts before the groups diverged.。
3.
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第二篇：The hummingbird, which belongs to the family of hummingbirds, has a two - wing vibration when it flies. The body is small, colorful, and scaly feathers, shining iridescent or metallic luster, the male is more bright; slender and straight, some curved, individual species curved upward; tongue retractable fin; narrow; the tip of the tail, fork or racket shape; short legs, toes small and weak.
Flight two wings rapidly flapping, fast and powerful and lasting; frequency is more than 50 times per second. Good at enduring "grounded" wandering in the flowers, sometimes also inverted. A close genetic relationship with swift. Hummingbirds, like other birds, do not have a well-developed olfactory system, but mainly rely on vision. About 90% of the hummingbird's food comes from nectar, and the rest are arthropods, including flies, wasps, spiders, beetles and ants. They are thin and long beak is suitable for drawing nectar.
4.鸟类的英语单词
phoenix / 5fi:niks/ 凤凰 eagle / 5i:gl/ 鹰 condor / 5kRndR：/ 秃鹰 hawk / hR:k/ 鹰 falcon / 5fR:lkEn, 5fR:kEn/ 隼 heron / 5herEn/ 苍鹰 kite / kait/ 鹞 vulture / 5vQltFE/ 秃鹫 peacock / 5pi:kRk/ 孔雀 duck / dQk/ 鸭 pelican / 5pelikEn/ 鹈鹕 cormorant / 5kRrmErEnt/ 鸬鹚 swan / swRn/ 天鹅 wild goose / / 雁 pigeon / pidVin/ 鸽子 pheasant / 5fZznt/ 雉， 野鸡 quail / kweil/ 鹌鹑 ostrich / 5RstritF/ 鸵鸟 stork / stR:k/ 鹳 seagull / / 海鸥 albatross / 5AlbEtrRs/ 信天翁 kingfisher / 5kiNfiFE/ 翠鸟 woodpecker / 5wudpekE/ 啄木鸟 parrot / 5pArEt/ 鹦鹉 cuckoo / 5kuku：/ 杜鹃，布谷鸟 crow / krEu/ 乌鸦 magpie / 5mAgpai/ 喜鹊 swallow / 5swRlEu/ 燕子 sparrow / 5spArEu/ 麻雀 nightingale / 5naitiNgeil/ 夜莺 canary / kE5nZEri/ 金丝雀 starling / 5sta:liN/ 八哥 thrush / WrQF/ 画眉 goldfinch / 5gouldfintF/ 金翅雀 robin / 5rRbin/ 知更鸟。